^Kroesen-Leiden, Riti (1991). "The Usurpation of Land in the Laxdoela Sag". Amsterdamer Beiträge zur Älteren Germanistik. 33 (1): 137–148. doi:10.1163/18756719-033-01-90000011.
^Wu, Chung‐li (2019). "Do the "Haves" Come Out Ahead? Resource Disparity in Public‐Land Usurpation Litigation in Taiwan*". Social Science Quarterly. 100 (4): 1215–1227. doi:10.1111/ssqu.12623. S2CID150438248.